chronological age
noun /ˌkrɒnəˌlɒdʒɪkl ˈeɪdʒ/
/ˌkrɑːnəˌlɑːdʒɪkl ˈeɪdʒ/
[uncountable, singular] (formal)- the number of years a person has lived as opposed to their level of physical, mental or emotional development
实际年龄（相对于身体、智力或情感方面的发展而言）